Hi,

With reverse route, the assigned routes gets installed. you will probably have 
redistribute static already configured for you.

Regards.





________________________________
From: Kingsley Charles <[email protected]>
To: [email protected]
Sent: Mon, July 26, 2010 1:27:17 PM
Subject: [OSL | CCIE_Security] Legacy EzVPN routing traffic

Hi all

The following is how usually our lab will be for EzVPN

10.20.30.0/24 ----- EzVPN client -------------- switch -------------- EzVPN 
server -------------- 20.10.30.0/24

In the case of legacy EzVPN (without virtual templates), do we need to 
configure 
routes for the remote subnets?

For the case of VTI based EzVPN the following will happen are the tunnel comes 
up


        * On the client, a default route or route to split tunnel networks will 
be 
added with virtual-access interface to the routing table.
        * When client connects in client mode, on the server, a route to the 
Pool 
address that has been leased to the client with virtual access will be  added 
to 
the routing table.
        * When client connects in network-extension mode, on the server, a 
route to the 
network behind with virtual access will be  added to the routing table.
Hence with the topology that I have given, you don't need routing protocols or 
static routes for 10.20.30.0/24 and 20.10.30.0/24 on the client and server 
respectively.

For legacy i.e., non-VTI based EzVPN, the routes are not added to the routing 
table i.e., if you issue "sh ip routre" you can't see the routes but are routed.
The only case to add the route is when local pool falls in the same subnet of 
the local network of the server and hence we need to add static routes on the 

server.

Please correct/add your comments on the way the legacy EzVPN handles the routes 
for the remote subnet.







With regards
Kings



      
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